Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702218 | Engine intake system having a pressure wave supercharger | Sadashichi Yoshioka, Tsutomu Matsuoka, Humio Hinatase | 1987-10-27 |
| 4699097 | Means for suppressing engine output torque fluctuations | Hideki Tanaka, Takashige Tokushima, Haruki Higashi | 1987-10-13 |
| 4644926 | Diesel cycle engines having heat insulated auxiliary combustion chambers | Shigeru Sakurai | 1987-02-24 |
| 4512786 | Exhaust gas purifying device | Shigeru Sakurai | 1985-04-23 |
| 4474008 | Exhaust gas recirculation system for diesel engine | Shigeru Sakurai | 1984-10-02 |